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He shook his head, threw out a distracting thought, and then sat down in front of his computer and began to concentrate on drawing the design of the two tools he needed.

Under normal circumstances, the process personnel do not need to draw their own tool design drawings, E factory not only has its own tool partners, but also has its own tool design department and manufacturing department, but this time Li Tianfeng needs to design by himself.

First, other people's designs are definitely not as good as their own designs, and in addition, if you want others to design, it will be too late in time, Li Tianfeng will design it in one or two hours.

Sit down, calm down, Li Tianfeng concentrated, during the period, Chen Xiangchun came once, Li Tianfeng told Chen Xiangchun that he still lacked two more critical tools. Chen Xiangchun also expressed his position, designed the tool drawings to her, Chen Xiangchun promised to find the most powerful tool manufacturer, the tool will be manufactured at the fastest speed.

Time gradually passed, the two tool design drawings are also completed, these are two very detailed design drawings, size, technical requirements and so on, and also attached to the temperature and time of heat treatment, Li Tianfeng is worried that the tool material is not up to standard, so he proposed a set of tool heat treatment scheme, as far as possible to improve the performance of the tool.

Only then did he print out the drawings, signed his name, and was about to go to Chen Xiangchun to sign for review, Li Tianfeng heard that there seemed to be movement outside the technical room, and it seemed to be a movement from the direction of the director's office.

"What's the matter?" Li Tianfeng took his freshly baked knife design and walked out quickly.

……

"Playing the piano indiscriminately, you Peng Xuehai simply treat this as child's play, and you, Chen Xiangchun, don't you want to be the deputy director of this technology?" Liu Qingshan, deputy chief engineer and chief technologist of Factory E, was angry there.

Chen Xiangchun was a little scared in his heart, and called out in a low voice: "Master, listen to me......"

Liu Qingshan rudely interrupted Chen Xiangchun's words, "Don't call me Master, look at what you do, how can you be confused about handing over such a critical and difficult part to a young man who has only been working for three years." ”

Liu Qingshan is Chen Xiangchun's master, there are many such apprentices in the E factory, Li Tianfeng also signed a master-apprentice contract with a technical backbone of a precision machining center in the first year he entered the factory, but the technical backbone jumped to the coastal area in the second year.

Liu Qingshan, who has decades of experience, knows that most of these parts are made of new materials, with complex structures and shapes, and extremely high precision requirements.

For example, the compressor blade disc of the turboshaft C engine is made of the latest titanium alloy, and the design of the integral blade disc has extremely high requirements for blade size, contour, surface roughness, etc.

In China, E factory claims to be the first to master the five-coordinate high-precision CNC milling processing technology, and is the leading level in China, but when it comes to the processing of the first to third stage blade disc of the turboshaft C engine, it is also at a loss, and the first stage compressor blade disc is scrapped two pieces in one go, and the second and third stage blade discs are not daring to move until now.

It is precisely because he knows the difficulty of processing this part that Liu Qingshan has become more popular recently, and his temper is a little bigger, and he does not believe that a young man who has only been working for three years can be competent.

"You, you, if it weren't for Comrade Huang Xuewen reporting to me, I wouldn't have known about this matter, otherwise something big would have happened."

Hearing this, Peng Xuehai and Chen Xiangchun glanced at each other, and the two of them felt a burst of disdain in their hearts, it turned out that Huang Xuewen made a small report behind his back.

Seeing the expressions of the two, Liu Qingsong said: "Don't have any ideas, how important the turboshaft C engine is, Comrade Huang Xuewen also reported this matter to me from the overall situation." Liu Qingshan obviously didn't want to create contradictions, and said good things for Huang Xuewen.

At this time, Li Tianfeng was probing his brain outside, and Li Tianfeng outside could be seen through the window glass, Peng Xuehai immediately said loudly: "Li Tianfeng, come in if you have something." ”

Seeing Li Tianfeng come in, Liu Qingshan looked at Li Tianfeng, and saw that Li Tianfeng's eyes were firm, his expression was calm and calm, and there was no nervousness, Liu Qingshan was slightly strange, under normal circumstances, those young people in the factory were a little nervous when they saw their deputy chief engineer, but Li Tianfeng did not.

So, Liu Qingshan became interested and asked: "Young man, you are the Li Tianfeng who said that he was sure to process the first-stage blade disc of the turboshaft C engine compressor." ”

"Mr. Liu, I am indeed sure that this part will be processed, but there are still two kinds of tools, I just designed these two tools, this is the drawing, I want to come over and ask Director Chen to check it."

Li Tianfeng is very good at talking, and there must be no problem with this tool drawing, but he still said in front of Mr. Liu that he asked Chen Xiangchun to check it, and he was very modest.

"I also designed my own knives, which looks like that." Liu Qingshan thought so in his heart, and then personally took Li Tianfeng's knife drawings and spread them out directly on the table, looking at it with interest.

As the deputy chief engineer of Factory E, Liu Qingshan naturally has two brushes, and he can see at a glance that the design drawings of these two knives are not simple.

"Tell me about it, young man."

Seeing Liu Qingshan say this, Peng Xuehai and Chen Xiangchun glanced at each other, and they both saw the joy in each other's eyes, there was a play!

Li Tianfeng said with a straight face: "Mr. Liu, the first-stage compressor wheel disc of the turboshaft C engine is the design of the integral blade disc, and the working speed reaches 42,000 revolutions per minute, which not only has to bear a lot of centrifugal force, but also has to bear a lot of working pressure, and a large amount of air must be sucked into the engine from the outside in a short period of time, and the air must be compressed to compress the air to a speed exceeding the speed of sound, so the design accuracy of the first-stage compressor wheel disc is very high, and there are many high-precision key dimensions......

"The wheel disc of the first stage compressor of the turboshaft C engine is made of a new type of titanium alloy, which has very good cutting and milling performance as long as the appropriate machining parameters are used, and I am ready to ......machine it like this."

Li Tianfeng spoke eloquently, and said for more than ten minutes, and said some of the more critical things, Liu Qingshan's eyes lit up, and his mentality changed dramatically.

From his own professional point of view, Liu Qingshan knew that these processing concepts and processing methods were definitely not made up by Li Tianfeng, Liu Qingshan's eyes were different when he looked at Li Tianfeng, his eyes were full of praise, and he thought in his heart, this little comrade is good, why didn't I find such a piece of beautiful jade?

"Master, Xiao Li is usually good, and he is still an excellent trainee back then." Chen Xiangchun added next to him.

"Okay, good, Comrade Xiao Li is good, these two kinds of knives are manufactured quickly, manufactured overnight, I came to greet the relevant departments, and when the tools are manufactured, I will be notified when the parts are officially processed, and I will come over and take a look in person." Liu Qingsong is now full of spring breeze, where is there still the expression that he just came in before.

……

When he returned to his dormitory, it was already nearly eleven o'clock in the evening, and after coming back, Li Tianfeng washed up a little and prepared to rest, and the time was not early.

Recalling that when Deputy Chief Engineer Liu Qingshan left, he gently patted his shoulder and said again and again, "The young man is good", thinking of such a scene, Li Tianfeng smiled.

Shaking his head lightly with a smile, Li Tianfeng was about to rest, his mobile phone rang, and when he picked up the phone, he saw that it was Ouyang Feifei calling, Li Tianfeng thought in his heart, Ouyang Feifei is so active, she won't really like herself.

"Brother Li, come back." Ouyang Feifei's beautiful voice came from the phone.

Li Tianfeng said: "I just came back not long ago, and I was about to rest." ”

The two chatted for a few minutes, originally Ouyang Feifei wanted to make a phone porridge, but Li Tianfeng still had important things to do tomorrow, and he was ready to rest early.

Li Tianfeng definitely doesn't like Ouyang Feifei, but he doesn't hate it either, otherwise, Li Tianfeng would not go to KFC with Ouyang Feifei, in addition, Li Tianfeng also knows that Ouyang Feifei should have a little meaning to himself.

Lying on the bed, thinking about today's events, and thinking about Ouyang Feifei's little meaning to herself, Li Tianfeng gradually fell asleep......

……

Precision center machining site.

At this time, Li Tianfeng was instructing the operators to load tools and parts. Peng Xuehai personally instructed and arranged the most precise and advanced imported five-axis linkage CNC machining center in the entire center.

The last two blanks left in the blade disc of the first stage compressor of turboshaft C have been placed next to them, and these two blanks have completed the relevant processes before the milling of the blades, and now the most critical and difficult process will begin soon, that is, the milling of the blades.

Responsible for the operation of CNC machine tools is a very experienced senior technician, He Wei is a national skill expert, but also Ouyang Feifei's master, in order to ensure that there are no accidents, He Wei personally operated.

A handful of CNC tools in Li Tianfeng's guidance was installed on the machine tool by He Wei, the parts to be processed are also clamped, in order to ensure that nothing goes wrong, He Wei beat the parts again, the outer circle and plane of the parts are all within five thousandths.

"Li Gong, once qiē is correct, can you start processing?" He Wei asked Li Tianfeng's opinion.

The entire preparation work before processing is carried out under the guidance of Li Tianfeng, including the alignment of fixtures, the clamping of parts, the clamping of tools, etc., Li Tianfeng felt that the preparation was full and correct, so Li Tianfeng waved his hand and said: "Start processing!" ”

Hearing this, He Wei pressed the start button, and a buzzing sound of an exciting CNC machining center came, and the processing began!

…………

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